161868005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{12641}}^1$

素因数の和:12856

約数の個数: 16

約数和(自身を含む): 210261744

約数和(自身を除く): 48393739

約数列:

[1, 5, 13, 65, 197, 985, 2561, 12641, 12805, 63205, 164333, 821665, 2490277, 12451385, 32373601, 161868005]

約数ペア:

[(1, 161868005), (5, 32373601), (13, 12451385), (65, 2490277), (197, 821665), (985, 164333), (2561, 63205), (12641, 12805)]